Based on a story from the After School Series line of light novels. Kenichi Akizuki and Misako Watanabe work together to solve the mysterious disappearance of their classmate Ryouko Miyazaki. The only clue left by the kidnapper is signed Koushin Okazaki, her late classmate who'd committed suicide to preserve his youth and become like Peter Pan.

In the new series' story, the balance of the Creature World is starting to crumble. A talking deck case named Decky comes to the human world to search for a Duel Master to preserve equilibrium. There he sees Joe's power to create creatures. (Source: ANN)

Yui Komori, still held captive by the Sakamaki brothers—pureblood vampires after her blood—experiences yet more bizarre twists to her life following her stay at their household. Though haunted by enigmatic dreams, Yui soon deciphers their meaning when caught in a car crash, which subsequently leads to meeting four new vampires: the Mukami brothers, Ruki, Azusa, Kou, and Yuuma, who themselves capture the bewildered girl. Yui later awakens in the Mukami mansion, where the brothers reveal their plans for her: she is their "Eve," and her blood will find the "Adam" among them; together, they will have the power to rule the world. However, with the Sakamaki brothers hot on their heels, things might not go quite as smoothly as they had imagined.

Two siblings were happy on Mt. Olympus, until they fell in love. Deimo's sister Venus got imprisoned in the Swamp of Death. To save Venus's life, he must find a human reincarnation so that they can continue their love.